DMRC Electrical Engineering Paper-1 2016

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For the following questions answer them individually
DMRC Electrical Engineering Paper-1 2016 - Question 3

Given below are three positions of the same dice having names of six institutions inscribed on six faces. The names of these institutions are, ICA, ICWA, ICSI, ICFAI, IIT, BHU.

Which name occurs on the face opposite to that of ICA?

DMRC Electrical Engineering Paper-1 2016 - Question 7

In the following question a number series is given. After the series a number is given followed by (a), (b), (c), (d) and (e). You have to complete the series starting with the
number given following the sequence of the given series and answer the question given below the series.


What will come in place of (c)

DMRC Electrical Engineering Paper-1 2016 - Question 9

A frog tries to come out of a dried well 9 m deep with slippery walls. Every time the frog jumps 60 cm, he slides back by 30 cm. How many jumps will the frog have to take to come out of the well?

DMRC Electrical Engineering Paper-1 2016 - Question 10

How many minutes will it take to completely fill a water tank with a capacity of 3750 cuft, if the water is being pumped at the rate of 800 cuft. per minute and being drained out of tank at the rate of 300 cuft per mintue:

DMRC Electrical Engineering Paper-1 2016 - Question 11

Triangle ABC and triangle DEF are quilaterals triangles with shaded portions of equal width throughout. If AB = 4 and EF = 2, Area of the shaded portion is:

DMRC Electrical Engineering Paper-1 2016 - Question 13

In a joint family of seven persons F, E, N, J, P, M and L, there are two married couples. F is a housewife and her husband is E. J is the wife of N. L is the granddaughter of F. E is the father in law of J and father of P. M is the son of N and brother of L. How is J related to P?

DMRC Electrical Engineering Paper-1 2016 - Question 14

Answer the following question according to the instructions given.
A $ B means A is not smaller than B
A # B means A is not greater than B
A @ B means A is neither smaller nor equal to B
A * B means A is neither greater than nor smaller than B
A % B means A is neither greater than nor equal to B
STATEMENT:
M @ J, J $ T, T * N
CONCLUSION:
I. N # J
II. T % M
III. M @ N

DMRC Electrical Engineering Paper-1 2016 - Question 17

If a runner takes as much time in running 20 meters as the car takes in covering 50 meters, the distance covered by the runner during the time the car covers 1 km is:

DMRC Electrical Engineering Paper-1 2016 - Question 18

The difference between the compound interest and the simple interest on a certain sum of money at 12% per annum for 2 years is ` 1800. Find the principal sum when the interest is compounded annually:

Read the information given and answer the questions based on it.

Seven boys namely Prashant, Rajesh, Salman, Tarun, Umar, Varun and Wasim go for tuitions to study different subjects namely Mathematics, Physics, Sociology, Chemistry, Biology, Economics and Accounts (not necessarily in the same order). Each student studies only one subject and each subject’s tuition is only once a week. Two subjects cannot be taught in the same day. Also-
I. Prashant studies chemistry and goes on Sunday.
II. Umar goes for tuition on Friday.
III. The student who studies biology goes on Thursday
IV. Rajesh goes on Monday
V. Tarun goes on Wednesday but does not study Sociology
VI. Varun studies mathematics
VII. The student who studies economics goes on Tuesday. Wasim and Tarun do not study economics

For the following questions answer them individually
DMRC Electrical Engineering Paper-1 2016 - Question 23

A group of ten persons can do a particular task in 10 days. Another group can do the same job in 20 days. In how many days will the job be finished if the groups works together (each group does part of the task in proportion to its total ability):

DMRC Electrical Engineering Paper-1 2016 - Question 25

In the given figure AB and CD are two parallel chords of a circle with center O and radius 5 cm. Also AB = 8 cm and CD = 6 cm. If OP $$\perp$$ AB and OQ $$\perp$$ CD, determine the length of PQ:

DMRC Electrical Engineering Paper-1 2016 - Question 26

A well of inner diameter 14 m is dug to a depth of 15m. Earth taken out of it has been evenly spread all around it to a width of 7 m to form an embankment. Find the height of embankment so formed:

DMRC Electrical Engineering Paper-1 2016 - Question 27

Dr. APJ Abdul Kalam Collapsed only 5 minutes into his lecture at IIM, Shillong. Name this lecture.

DMRC Electrical Engineering Paper-1 2016 - Question 28

A hall 50 m long and 45 m broad is to be paved with square tiles. Find the largest tile as well as its number in the given options so that the tiles exactly fit in the hall?

DMRC Electrical Engineering Paper-1 2016 - Question 29

A metal cube of edge 12 cm is melted and formed into three smaller cubes. If the edges of two smaller cubes are 6 cm and 8 cm, find the edge of the third smaller
cube?

DMRC Electrical Engineering Paper-1 2016 - Question 30

Silk Route-2015 is a:

DMRC Electrical Engineering Paper-1 2016 - Question 34

The perimeters of a square and a regular hexagon are equal. The ratio of the area of the hexagon to the area of the square is:

DMRC Electrical Engineering Paper-1 2016 - Question 36

Which of the following are included in the original jurisdiction of the Supreme Court?

1. A dispute between the Government of India and one or more states.
2. A dispute regarding elections to either house of the Parliament or that of the legislature of a state.
3. A dispute between the Government of India and a union territory.
4. A dispute between two or more states.

Select the correct answers using the codes.

DMRC Electrical Engineering Paper-1 2016 - Question 37

Two trains moving in opposite directions cross each other in 7.5 seconds. If the length of one train is 150 m, what is the length of the other train if the trains are travelling at 50 & 70 km. per hour respectively:

DMRC Electrical Engineering Paper-1 2016 - Question 38

Three pipes A, B, C can fill a tank from empty to full in 30 minutes, 20 minutes, and 10 minutes respectively. When the tank is empty, all three pipes are opened. A B & C discharge chemical solution ‘Q’, ‘R’, ‘S’ respectively. What is the proportion of solution ‘S’ in the liquid in the tank after 3 minutes:

DMRC Electrical Engineering Paper-1 2016 - Question 39

Recently Government of India has constituted a committee under the chairmanship of Justice R.V. Easwar to look into?

DMRC Electrical Engineering Paper-1 2016 - Question 42

There are two clocks, both set to show 10 pm on 21st January 2010. One clock gains 2 minutes in an hour and the other clock loses 5 minutes in an hour. then by how many minutes do the two clocks differ at 4pm on 22nd January 2010?

Each question below is followed by two statement I and II. You are to determine whether the data given in the statement is sufficient for answering the question. You should use the data and your knowledge of mathematics to choose between the possible answers.

A. If the statement I alone is sufficient to answer the question but the statement II alone is not sufficient.
B. If the statement II alone is sufficient to answer the question but statement I alone is not sufficient.
C. If both statements I and II together are needed to answer the question.
D. If either the statement I alone or statement II alone is sufficient to answer the question.
E. If you can not get the answer from statement I and II together but need even more data.

For the following questions answer them individually
DMRC Electrical Engineering Paper-1 2016 - Question 52

The instantaneous voltage and current across a load is given by $$v = 50 \sin (314 t - \frac{\pi}{6})$$ volts and $$i = 10 \sin (314 t - \frac{\pi}{2})$$ amperes, respectively. The active power consumed by the load is:

DMRC Electrical Engineering Paper-1 2016 - Question 55

In a three phase half wave rectifier feeding resistive load, if the input source is a three phase 4 wire system and line to line voltage is 100 V. The supply frequency is
400 Hz. The ripple frequency at the output is:

DMRC Electrical Engineering Paper-1 2016 - Question 59

Two transformers with identical voltage ratings are working in parallel to supply common load. The percentage impedance of one transformer is higher compared to that of other. The load sharing between the two transformer will:

DMRC Electrical Engineering Paper-1 2016 - Question 61

A 35 V dc supply is connected across a resistance of 600 ohm in series with an unknown resistance R. A voltmeter having a resistance of 1.2 k Ω is connected across 600 ohm resistances and reads 5 V. The value of resistance R shall be:

DMRC Electrical Engineering Paper-1 2016 - Question 66

Two capacitor C1 and C2 have $$C1 = 20 \mu F$$ and $$C2 = 30 \mu F$$, are connected in parallel across a 100V source. The net capacitance of the circuit is?

DMRC Electrical Engineering Paper-1 2016 - Question 71

Consider the following statements:
Over head transmission lines are provided with earth wires:
1. To protect the transmission line from direct lightning strike
2. To protect the transmission line insulation from the indirect lightning strike
3. To balance the line currents
4. To provide path for neutral current
Which of these statement/s is/are correct?

DMRC Electrical Engineering Paper-1 2016 - Question 72

An ammeter has a current range of 0-5 A, and its internal resistance is 0.2Ω. In order to change the range to 0-25 A, what should be the value of resistance added and how it would connect with meter (i.e. series/parallel)?

DMRC Electrical Engineering Paper-1 2016 - Question 73

Power consumed by a balanced 3-phase, 3 - wire load is measured by two wattmeter method. The first wattmeter reads twice that of the second. Then what will be the load impedance angle in radian?

DMRC Electrical Engineering Paper-1 2016 - Question 76

The potential transformers’ Nominal Ratio is defined as the ratio of:

DMRC Electrical Engineering Paper-1 2016 - Question 77

Whenever a 3-phase fault takes place at the terminals of an induction generator, the sustained fault current is:

DMRC Electrical Engineering Paper-1 2016 - Question 78

For complete protection of a 3- phase line:

DMRC Electrical Engineering Paper-1 2016 - Question 79

When two transformer of different kVA rating are connected in parallel they share the load in proportion to their respective kVA rating only when their:

DMRC Electrical Engineering Paper-1 2016 - Question 80

The most efficient torque - producing actuating structure for induction - type relay is:

DMRC Electrical Engineering Paper-1 2016 - Question 84

Three equal resistors, connected in series across a source of emf, dissipated 10W of power. What would be the power dissipated in the same resistor when they are connected in parallel across the same source?

DMRC Electrical Engineering Paper-1 2016 - Question 87

In a 3-phase voltage source inverter used for speed control of induction motor, antiparallel diodes are used across each switching device. The main purpose of diodes is to:

DMRC Electrical Engineering Paper-1 2016 - Question 89

Out of the followings, which one is correct in case of a circuit breaker?

DMRC Electrical Engineering Paper-1 2016 - Question 90

The steady-state fault current during a 3 phase terminal fault on a generator is limited by:

DMRC Electrical Engineering Paper-1 2016 - Question 91

A 3-phase delta connected squirrel cage induction motor when started with a DOL starter has a starting torque of 600 NM. Its starting torque when star delta starter is used:

DMRC Electrical Engineering Paper-1 2016 - Question 92

Making current of a circuit breaker refers to:

DMRC Electrical Engineering Paper-1 2016 - Question 94

Which of the following motor has squirrel cage winding on the stator:

DMRC Electrical Engineering Paper-1 2016 - Question 95

In order to switch-off and EHV circuit for maintenance, the following sequence is adopted:

DMRC Electrical Engineering Paper-1 2016 - Question 97

Why are shunt reactors connected at the receiving end of long transmission line system:

DMRC Electrical Engineering Paper-1 2016 - Question 101

What is called the Electro-Motive Force (EMF) of a voltage source?

DMRC Electrical Engineering Paper-1 2016 - Question 102

A permanent magnet moving coil ammeter has a coil resistance of 99 ohm and Full Scale Deflection (FSD) current of 0.1 mA. Shunt resistance is 1 ohm. Current through the meter at 0.5 F.S.D is:

DMRC Electrical Engineering Paper-1 2016 - Question 103

For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging:

DMRC Electrical Engineering Paper-1 2016 - Question 109

The disruptive critical voltage will:

DMRC Electrical Engineering Paper-1 2016 - Question 116

If the current in the armature of d.c series motor is reduced to 5%, the torque of the motor will become:

DMRC Electrical Engineering Paper-1 2016 - Question 117

If the excitation of an alternator operating in parallel with other alternators decreased, its:

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